438381901155115110399

Names of 438381901155115110399

• Cardinal: 438381901155115110399 can be written as Four hundred thirty-eight quintillion, three hundred eighty-one quadrillion, nine hundred one trillion, one hundred fifty-five billion, one hundred fifteen million, one hundred ten thousand, three hundred ninety-nine.

Scientific notation

• Scientific notation: 4.38381901155115110399 × 10²⁰

Factors of 438381901155115110399

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 6979815286

Divisors of 438381901155115110399

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 35533 106599 589243 1767729 6979190507 20937571519 20937571521 62812714557 247991576285231 743974728855693 4112439151916201 12337317455748603 146127300385038370133 438381901155115110399
• Sum of all divisors σ(n): 584526643374735833472
• Sum of proper divisors (its aliquot sum) s(n): 146144742219620723073
• 438381901155115110399 is a deficient number, because the sum of its proper divisors (146144742219620723073) is less than itself. Its deficiency is 292237158935494387326

Bases of 438381901155115110399

• Binary: 101111100001111000101011000000111010000100111000010101000111111111111₂
• Hexadecimal: 0x17C3C56074270A8FFF
• Base-36: 2KIMBQHFO5NOCF

Squares and roots of 438381901155115110399

• 438381901155115110399 squared (438381901155115110399²) is 192178691260373114965137674472093957939201
• 438381901155115110399 cubed (438381901155115110399³) is 84247660036224271018896714643544570143973955131541025644851199
• The square root of 438381901155115110399 is 20937571519.9999999989
• The cube root of 438381901155115110399 is 7596569.9038591569

Scales and comparisons

• 438,381,901,155,115,110,399 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 438,381,901,155,115,110,399 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 438381901155115110399 cubic inches would be around 633047.5 feet tall.

Recreational maths with 438381901155115110399

• 438381901155115110399 backwards is 993011511551109183834
• The number of decimal digits it has is: 21
• The sum of 438381901155115110399's digits is 78
• More coming soon!